Diff: platform/mbed_mem_trace.c

Revision:

181:96ed750bd169

Parent:

180:b0033dcd6934

Child:

182:57724642e740

--- a/platform/mbed_mem_trace.c	Thu Dec 07 14:01:42 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,115 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2016 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include "platform/mbed_mem_trace.h"
-#include "platform/mbed_critical.h"
-
-/******************************************************************************
- * Internal variables, functions and helpers
- *****************************************************************************/
-
-/* The callback function that will be called after a traced memory operations finishes. */
-static mbed_mem_trace_cb_t mem_trace_cb;
-/* 'trave_level' guards "trace inside trace" situations (for example, the implementation
- * of realloc() might call malloc() internally, and since malloc() is also traced, this could
- * result in two calls to the callback function instead of one. */
-static uint8_t trace_level;
-
-/******************************************************************************
- * Public interface
- *****************************************************************************/
-
-void mbed_mem_trace_set_callback(mbed_mem_trace_cb_t cb) {
-    mem_trace_cb = cb;
-}
-
-void *mbed_mem_trace_malloc(void *res, size_t size, void *caller) {
-    if (mem_trace_cb) {
-        if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
-            mem_trace_cb(MBED_MEM_TRACE_MALLOC, res, caller, size);
-        }
-        core_util_atomic_decr_u8(&trace_level, 1);
-    }
-    return res;
-}
-
-void *mbed_mem_trace_realloc(void *res, void *ptr, size_t size, void *caller) {
-    if (mem_trace_cb) {
-        if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
-            mem_trace_cb(MBED_MEM_TRACE_REALLOC, res, caller, ptr, size);
-        }
-        core_util_atomic_decr_u8(&trace_level, 1);
-    }
-    return res;
-}
-
-void *mbed_mem_trace_calloc(void *res, size_t num, size_t size, void *caller) {
-    if (mem_trace_cb) {
-        if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
-            mem_trace_cb(MBED_MEM_TRACE_CALLOC, res, caller, num, size);
-        }
-        core_util_atomic_decr_u8(&trace_level, 1);
-    }
-    return res;
-}
-
-void mbed_mem_trace_free(void *ptr, void *caller) {
-    if (mem_trace_cb) {
-        if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
-            mem_trace_cb(MBED_MEM_TRACE_FREE, NULL, caller, ptr);
-        }
-        core_util_atomic_decr_u8(&trace_level, 1);
-    }
-}
-
-void mbed_mem_trace_default_callback(uint8_t op, void *res, void *caller, ...) {
-    va_list va;
-    size_t temp_s1, temp_s2;
-    void *temp_ptr;
-
-    va_start(va, caller);
-    switch(op) {
-        case MBED_MEM_TRACE_MALLOC:
-            temp_s1 = va_arg(va, size_t);
-            printf(MBED_MEM_DEFAULT_TRACER_PREFIX "m:%p;%p-%u\n", res, caller, temp_s1);
-            break;
-
-        case MBED_MEM_TRACE_REALLOC:
-            temp_ptr = va_arg(va, void*);
-            temp_s1 = va_arg(va, size_t);
-            printf(MBED_MEM_DEFAULT_TRACER_PREFIX "r:%p;%p-%p;%u\n", res, caller, temp_ptr, temp_s1);
-            break;
-
-        case MBED_MEM_TRACE_CALLOC:
-            temp_s1 = va_arg(va, size_t);
-            temp_s2 = va_arg(va, size_t);
-            printf(MBED_MEM_DEFAULT_TRACER_PREFIX "c:%p;%p-%u;%u\n", res, caller, temp_s1, temp_s2);
-            break;
-
-        case MBED_MEM_TRACE_FREE:
-            temp_ptr = va_arg(va, void*);
-            printf(MBED_MEM_DEFAULT_TRACER_PREFIX "f:%p;%p-%p\n", res, caller, temp_ptr);
-            break;
-
-        default:
-            printf("?\n");
-    }
-    va_end(va);
-}
-